My grandfather had a radio and refrigeration shop from the 1930s-1980s. This radio is from his personal collection. It has been stored in the attic for decades. From the internet, this radio is from 1946/1947.
From the internet:
12SK7GT
12SA7GT
12SK7GT
12SQ7GT
35L6GT
35Z5GT
- Main principle
- Superheterodyne (common); ZF/IF 455 kHz
- Wave bands
- Broadcast only (MW).
- Power type and voltage
- AC/DC-set / 105-125 Volt
- Loudspeaker
- Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5 inch = 12.7 cm
- from Radiomuseum.org
- Model: G-619 - National Union Radio Corp.;
- Shape
- Table model, low profile (big size).
- Dimensions (WHD)
- 13 x 9 x 7 inch / 330 x 229 x 178 mm
- Net weight (2.2 lb = 1 kg)
- 6.9 lb (6 lb 14.4 oz) / 3.133 kg
- Circuit diagram reference
- Rider's Perpetual, Volume 15 = 1947 and before
- Literature/Schematics
- Radio Maintenance (Radio Serviceman) Nov. 1946, last page.
The information on the label on the bottom of the radio agrees with the information available on the internet as far as the tubes used in this radio. The label also states:
105-125 Volts; 50-60 Cycles AC or Direct Current; 30 Watts Input; Range 535 to 1620 Kilocyles
The schematic for this radio is available on the internet.
The radio measures about 13" x 9" x 7.25". Not counting the dials in the front, it is about 6.5" wide.
The radio weighs about 7 pounds, 1.5 oz.